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Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: -6 March 1973 • EFFECT OF THINNING SECOND-GROWTH PONDEROSA PINE STANDS ON INCIDENCE OF MOUNTAIN

Creator:: Carlson, Clinton E., Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: -15 5200 • June 1973 WINTER DAMAGE TO PONDEROSA PINE NEAR MISSOULA, MONTANA • by Clinton E

Creator:: McGregor, Mark D., Kohler, Steve, Ferry, Gardner, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle reached epidemic levels in second-growth ponderosa pine stands on Bureau of Indian Affairs and private lands on the Crow Indian Reservation. Approximately 9,106 trees containing 420,266 merchantable board feet were killed from 1971 to 1973. This is about 24 percent of the merchantable ponderosa pine in stands...
Resource Type:: Technical Report
Full Text:: • ABSTRACT Mountain pine beetle reached epidemic levels in second-growth ponderosa pine stands on Bureau of

Creator:: McGregor, Mark D., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: , Dendroctonus ponderosas Hopk., occurs at epidemic levels in ponderosa pine stands in the Wolf • Mountains on

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The pine butterfly, Neophasia menapia Feld., has been at epidemic levels in the Bitterroot and Missoula valleys for the past 2 years (Ciesla et al. 1971) (Bousfield and Meyer 1972). Several reports of conspicuous pine butterfly flights on the Flathead Indian Reservation prompted an evaluation of the potential for pine...
Resource Type:: Technical Report
Full Text:: , branch samples from ponderosa pine were collected by Bureau41 of Indian Affairs personnel from five

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: This report documents the establishment of a study to determine the effect of thinning on incidence of mountain pine beetle, Dendroctonus ponderosae Hopk., infestation in second-growth ponderosa pine stands in western Montana. Although insufficient time has passed for a similar study in Oregon to yield a solid base for a...
Resource Type:: Technical Report
Full Text:: No. 1-72-3 • May 1972 EFFECT OF THINNING SECOND-GROWTH PONDEROSA PINE ON INCIDENCE OF MOUNTAIN

Creator:: United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: ;• May 1973 CULTURAL CONTROL OF MOUNTAIN PINE BEETLE IN SECOND-GROWTH PONDEROSA PINE STANDS LOLO

Creator:: Gordon, Clarence C., Carlson, Clinton E., Tourangeau, Phillip, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Baseline data for the first year of a two-year study to assess the current status of ponderosa pine stands in southeastern Montana relative to coal-fired electric power development are presented. Sixteen permanent plots in pine stands were established in eastern Montana, South Dakota, and Wyoming. Several characteristics believed to be...
Resource Type:: Technical Report
Full Text:: healthy ponderosa pine on the Ashland Division, Custer National Forest. Lower left -- Field technician

Creator:: Carlson, Clinton E., Gilligan, Carma J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An evaluation to establish baseline data on forest insect and disease activity near a magnesium plant under construction in northeastern Washington was initiated in 1974. The plant will emit significant amounts of sulfur dioxide. Data indicates that several fungal and insect species are at low populations. Needle retention appears normal...
Resource Type:: Technical Report
Full Text:: ponderosa pine and Douglas-fir. Some tip necrosis was found on pines and histological analysis of needles

Creator:: James, Robert L. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Eighteen isolates of Fusarium comprising four species (F. oxysporum, E. avenaceum, E. acuminatum, and F. sambucinum) isolated from diseased conifer seedlings from nurseries were tested for pathogenicity on Douglas-fir germlings. Three of the most pathogenic F. oxysporum isolates on Douglas-fir germlings were also tested on ponderosa pine germlings and older...
Resource Type:: Technical Report
Full Text:: ON DOUGLAS-FIR AND PONDEROSA PINE SEEDLINGS by R. L. James, Plant Pathologist, Cooperative Forestry

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